Some molecules or particles are too large or too hydrophilic to pass through a lipid bilayer. Other molecules could pass through the bilayer but must be transported rapidly in such large numbers that channel-type transport is impractical.
Vanna White Has the World's Most G-Rated Wardrobe Malfunction on 'Wheel of Fortune'. by 11:56 AM PST, December 11, 2015. Playing Vanna White Has the World's Most G-Rated Wardrobe Malfunction on 'Wheel of Fortune'. Vanna White found herself in a sticky situation during Thursday's Wheel of Fortune. While walking across the stage, the hostess, unbeknownst to her, brought part of the set with her when a prop gift got caught on the bottom of her dress.
Wheel of Misfortune! Unlucky student is branded the worst game show contestant ever after losing $1m in string of gaffes. A college student was correctly able to guess all the letters in a puzzle on the the Wheel of Fortune and would have won $1 million had it not been for his own Achilles heel - not being able to pronounce the answer correctly.